Home / 5,173.61-7,760.45-2,054.36

Finding the Fourth Proportional to 5,173.61, 7,760.45 and 2,054.36

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Solution

The fourth proportional to 5,173.61, 7,760.45 and 2,054.36 is: 3,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.61 : 7,760.45 = 2,054.36 : x
  2. Step 2: Convert to fraction form
    5,173.61/7,760.45 = 2,054.36/x
  3. Step 3: Cross multiply
    5,173.61x = 7,760.45 × 2,054.36
  4. Step 4: Simplify right side
    5,173.61x = 15,942,782.60
  5. Step 5: Solve for x
    x = 15,942,782.60/5,173.61
  6. Step 6: Final answer
    x = 3,081.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.